Published in Phytologia, in 1956, in volume 5, pages 343-393

Published in Phytologia, in 1956, in volume 5, pages 404-464

Published in PHYTOLOGIA, in 1956, in volume 5, issue 8, pages 337-338

Published in PHYTOLOGIA, in 1956, in volume 5, issue 8, pages 338-342

Published in Phytologia, in 1956, in volume 5, issue 8, pages 394-400

Published in Phytologia, in 1956, in volume 5, issue 9, pages 401-403